<template>
  <div :class="['description-list', size, layout === 'vertical' ? 'vertical' : 'horizontal']">
    <div v-if="title" class="title">{{ title }}</div>
    <a-row>
      <slot></slot>
    </a-row>
  </div>
</template>

<script>
  import { Col } from 'ant-design-vue/es/grid/'

  const Item = {
    name: 'DetailListItem',
    props: {
      term: {
        type: String,
        default: '',
        required: false,
      },
    },
    components: { Col },
    inject: {
      col: {
        type: Number,
      },
    },
    render() {
      return (
        <Col {...{ props: responsive[this.col] }}>
          <div class="term">{this.$props.term}</div>
          <div class="content">{this.$slots.default}</div>
        </Col>
      )
    },
  }

  const responsive = {
    1: { xs: 24 },
    2: { xs: 24, sm: 12 },
    3: { xs: 24, sm: 12, md: 8 },
    4: { xs: 24, sm: 12, md: 6 },
  }

  export default {
    name: 'DetailList',
    Item: Item,
    props: {
      title: {
        type: String,
        default: '',
        required: false,
      },
      col: {
        type: Number,
        required: false,
        default: 3,
      },
      size: {
        type: String,
        required: false,
        default: 'small',
      },
      layout: {
        type: String,
        required: false,
        default: 'horizontal',
      },
    },
    provide() {
      return {
        col: this.col > 4 ? 4 : this.col,
      }
    },
  }
</script>

<style lang="less" scoped>
  .description-list {
    .title {
      color: rgba(0, 0, 0, 0.85);
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 16px;
    }

    /deep/ .term {
      color: rgba(0, 0, 0, 0.85);
      display: table-cell;
      line-height: 20px;
      margin-right: 8px;
      white-space: nowrap;

      &:not(:empty):after {
        content: ':';
        margin: 0 8px 0 2px;
        position: relative;
        top: -0.5px;
      }
    }

    /deep/ .content {
      color: rgba(0, 0, 0, 0.65);
      display: table-cell;
      min-height: 22px;
      line-height: 22px;
      width: 100%;
      &:empty {
        content: ' ';
        height: 38px;
      }
    }

    &.small {
      .title {
        font-size: 14px;
        color: rgba(0, 0, 0, 0.65);
        font-weight: normal;
        margin-bottom: 8px;
      }
      /deep/ .term,
      .content {
        padding-bottom: 8px;
      }
    }

    &.large {
      .title {
        font-size: 16px;
      }
      /deep/ .term,
      .content {
        padding-bottom: 16px;
      }
    }

    &.vertical {
      .term {
        padding-bottom: 8px;
      }
      /deep/ .term,
      .content {
        display: block;
      }
    }
  }
</style>
